/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.gallery3d.data;

import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.BitmapRegionDecoder;
import android.net.Uri;

import com.android.gallery3d.app.GalleryApp;
import com.android.gallery3d.common.BitmapUtils;
import com.android.gallery3d.common.Utils;
import com.android.gallery3d.util.ThreadPool.Job;
import com.android.gallery3d.util.ThreadPool.JobContext;

public class ActionImage extends MediaItem {
	private static final String TAG = ActionImage.class.getSimpleName();
	private GalleryApp mApplication;
	private int mResourceId;

	public ActionImage(Path path, GalleryApp application, int resourceId) {
		super(path, nextVersionNumber());
		Log.d(TAG, "ActionImage");
		mApplication = Utils.checkNotNull(application);
		mResourceId = resourceId;
	}

	@Override
	public Job<Bitmap> requestImage(int type) {
		return new BitmapJob(type);
	}

	@Override
	public Job<BitmapRegionDecoder> requestLargeImage() {
		return null;
	}

	private class BitmapJob implements Job<Bitmap> {
		private int mType;

		protected BitmapJob(int type) {
			mType = type;
		}

		@Override
		public Bitmap run(JobContext jc) {
			Log.d(TAG, "BitmapJob -- run");
			int targetSize = MediaItem.getTargetSize(mType);
			Bitmap bitmap = BitmapFactory.decodeResource(
					mApplication.getResources(), mResourceId);

			if (mType == MediaItem.TYPE_MICROTHUMBNAIL) {
				bitmap = BitmapUtils.resizeAndCropCenter(bitmap, targetSize,
						true);
			} else {
				bitmap = BitmapUtils.resizeDownBySideLength(bitmap, targetSize,
						true);
			}
			return bitmap;
		}
	}

	@Override
	public int getSupportedOperations() {
		return SUPPORT_ACTION;
	}

	@Override
	public int getMediaType() {
		return MEDIA_TYPE_UNKNOWN;
	}

	@Override
	public Uri getContentUri() {
		return null;
	}

	@Override
	public String getMimeType() {
		return "";
	}

	@Override
	public int getWidth() {
		return 0;
	}

	@Override
	public int getHeight() {
		return 0;
	}
}
